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CV Mover - Utility module
MUFF WIGGLER Forum Index -> Music Tech DIY  
Author CV Mover - Utility module
Haralds:Werk
This utility module provides you with different functions. You can use it as attenuator and sign changer for any input signal. You can use it as CV Source. It gives you a DC offset between -2.5V ans + 2.5V with coarse and fine adjustment. This voltage range is easily adopted to your needs with simple resistor change. Most interesting application is using it as "CV Mover". This means adding a DC offset to the input signal. Say you have a LFO signal between +/-5V and want to shift it in the positive range. Then you can divide the signal in half with the attenuator to 1/2 and add the +2.5 threshold and you get a 0..5V positive LFO signal. This comes in handy for steering filters VCA's and other modules. The output signal is visualized with LED

Specs and features
• CV source -2.5..+2.5V with coarse and fine adjustment
• Attenuator
• Positive and inverted output signal
• Adjustable DC offset for the input signal
• Positive and negative CV output indicator with LED
• Runs on +/-15V and +/-12V



The documentation and the Gerber files for download can be found in my website.



IIC1B acts as a simple inverting voltage adder. The input signal and the offset voltages are added together. The direct output from IC1B is the negative of the input signal. IC1A converts the signal back to the original phase. IC1C is a simple buffer and in the feedback loop of IC1D are the indicator LED's.



djthopa
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.
Haralds:Werk
djthopa wrote:
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.


I will publish the Gerber files for most off the upcoming modules. But adding Gerbers to all older modules is to much work for now. If you are interested in a special module PM me and I will send it to you or add it to the website.
Haralds:Werk
djthopa wrote:
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.



Do you mean this one? Scaled Voltage Reference with 1V and 83.3mV steps.
djthopa
Haralds:Werk wrote:
djthopa wrote:
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.



Do you mean this one? Scaled Voltage Reference with 1V and 83.3mV steps.


Hi, thanks for the reply!

Yes thats the one, very kind from you Guinness ftw!
Haralds:Werk
djthopa wrote:
Haralds:Werk wrote:
djthopa wrote:
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.



Do you mean this one? Scaled Voltage Reference with 1V and 83.3mV steps.


Hi, thanks for the reply!

Yes thats the one, very kind from you Guinness ftw!


I can upload the Gerber files next week.
djthopa
Haralds:Werk wrote:
djthopa wrote:
Haralds:Werk wrote:
djthopa wrote:
Thanks for this!

I have been cheking your web for some time, any chance there could be gerbers for older modules?

I downloaded one zip file of the cv offset - scaler? (Precission adder sorry cant remember the exact name) but only found the schematics inside.



Do you mean this one? Scaled Voltage Reference with 1V and 83.3mV steps.


Hi, thanks for the reply!

Yes thats the one, very kind from you Guinness ftw!


I can upload the Gerber files next week.


Thanks a lot, looking forward to it!!! much appreciated!
ClausF
Cool, thanks! Guinness ftw!
Haralds:Werk
I have uploaded the Gerber files for the Scaled Voltage Reference. Happy building.
djthopa
Haralds:Werk wrote:
I have uploaded the Gerber files for the Scaled Voltage Reference. Happy building.


Many thanks!!!!! Downloading! thumbs up
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